Stand in one spot.

Plant your feet and do not move. Every measurement is taken from where you stand, and the app does the rest.

Stand in one spot where you can see every speaker, and stay there for all of it.
Laser the zero point the speakers everything lines up to.
Laser every speaker and read off the delay for each output on the desk.

Everything lands together

Time the sound takes to reach youDelay you addZero point

Units and temperature

Units

Temperature (°C)

Zero point

What everything lines up to Distance from your spot (m)

Speakers

Delays for the desk

Keep the sound on stage (optional)

Extra delay on every speaker (ms)

0 lines every speaker up exactly with the zero point. Many engineers add 5 to 10 ms so the first sound still seems to come from the stage.